| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1106.13 | USD | 20251016 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1268.18 | USD | 20251016 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1267.69 | USD | 20251015 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1105.71 | USD | 20251015 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1183.18 | USD | 20251015 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1182.75 | USD | 20251014 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1105.31 | USD | 20251014 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1267.23 | USD | 20251014 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1104.89 | USD | 20251011 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1182.3 | USD | 20251011 |